DAPP TECHNOLOGIES LTD Company number 13107829 · Monitor this company Active - Proposal to Strike off Overview People 1 Financial Control Documents Analysis Location Related Registered office Address11 Martles Ham, Welwyn Garden City, Hertfordshire, United Kingdom, AL7 2QF PostcodeAL7 2QF Companies at this postcode 30 Average house price in AL7 2QF £509,000 (7 sales) Map